diff options
Diffstat (limited to 'src/plugins/avfoundation/camera/avfcamerautility.h')
| -rw-r--r-- | src/plugins/avfoundation/camera/avfcamerautility.h | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/src/plugins/avfoundation/camera/avfcamerautility.h b/src/plugins/avfoundation/camera/avfcamerautility.h deleted file mode 100644 index 2e8bf39b4..000000000 --- a/src/plugins/avfoundation/camera/avfcamerautility.h +++ /dev/null @@ -1,179 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef AVFCAMERAUTILITY_H -#define AVFCAMERAUTILITY_H - -#include <QtCore/qglobal.h> -#include <QtCore/qdebug.h> -#include <QtCore/qlist.h> -#include <QtCore/qpair.h> -#include <QtCore/qsize.h> - -#include <AVFoundation/AVFoundation.h> - -// In case we have SDK below 10.7/7.0: -@class AVCaptureDeviceFormat; - -QT_BEGIN_NAMESPACE - -class AVFConfigurationLock -{ -public: - explicit AVFConfigurationLock(AVCaptureDevice *captureDevice) - : m_captureDevice(captureDevice), - m_locked(false) - { - Q_ASSERT(m_captureDevice); - NSError *error = nil; - m_locked = [m_captureDevice lockForConfiguration:&error]; - } - - ~AVFConfigurationLock() - { - if (m_locked) - [m_captureDevice unlockForConfiguration]; - } - - operator bool() const - { - return m_locked; - } - -private: - Q_DISABLE_COPY(AVFConfigurationLock) - - AVCaptureDevice *m_captureDevice; - bool m_locked; -}; - -struct AVFObjectDeleter { - static void cleanup(NSObject *obj) - { - if (obj) - [obj release]; - } -}; - -template<class T> -class AVFScopedPointer : public QScopedPointer<NSObject, AVFObjectDeleter> -{ -public: - AVFScopedPointer() {} - explicit AVFScopedPointer(T *ptr) : QScopedPointer(ptr) {} - operator T*() const - { - // Quite handy operator to enable Obj-C messages: [ptr someMethod]; - return data(); - } - - T *data() const - { - return static_cast<T *>(QScopedPointer::data()); - } - - T *take() - { - return static_cast<T *>(QScopedPointer::take()); - } -}; - -template<> -class AVFScopedPointer<dispatch_queue_t> -{ -public: - AVFScopedPointer() : m_queue(nullptr) {} - explicit AVFScopedPointer(dispatch_queue_t q) : m_queue(q) {} - - ~AVFScopedPointer() - { - if (m_queue) - dispatch_release(m_queue); - } - - operator dispatch_queue_t() const - { - // Quite handy operator to enable Obj-C messages: [ptr someMethod]; - return m_queue; - } - - dispatch_queue_t data() const - { - return m_queue; - } - - void reset(dispatch_queue_t q = nullptr) - { - if (m_queue) - dispatch_release(m_queue); - m_queue = q; - } - -private: - dispatch_queue_t m_queue; - - Q_DISABLE_COPY(AVFScopedPointer) -}; - -typedef QPair<qreal, qreal> AVFPSRange; -AVFPSRange qt_connection_framerates(AVCaptureConnection *videoConnection); - -QList<AVCaptureDeviceFormat *> qt_unique_device_formats(AVCaptureDevice *captureDevice, - FourCharCode preferredFormat); -QSize qt_device_format_resolution(AVCaptureDeviceFormat *format); -QSize qt_device_format_high_resolution(AVCaptureDeviceFormat *format); -QSize qt_device_format_pixel_aspect_ratio(AVCaptureDeviceFormat *format); -QList<AVFPSRange> qt_device_format_framerates(AVCaptureDeviceFormat *format); -AVCaptureDeviceFormat *qt_find_best_resolution_match(AVCaptureDevice *captureDevice, const QSize &res, - FourCharCode preferredFormat, bool stillImage = true); -AVCaptureDeviceFormat *qt_find_best_framerate_match(AVCaptureDevice *captureDevice, - FourCharCode preferredFormat, - Float64 fps); -AVFrameRateRange *qt_find_supported_framerate_range(AVCaptureDeviceFormat *format, Float64 fps); - -bool qt_formats_are_equal(AVCaptureDeviceFormat *f1, AVCaptureDeviceFormat *f2); -bool qt_set_active_format(AVCaptureDevice *captureDevice, AVCaptureDeviceFormat *format, bool preserveFps); - -AVFPSRange qt_current_framerates(AVCaptureDevice *captureDevice, AVCaptureConnection *videoConnection); -void qt_set_framerate_limits(AVCaptureDevice *captureDevice, AVCaptureConnection *videoConnection, - qreal minFPS, qreal maxFPS); - -QT_END_NAMESPACE - -#endif |